122244121 has 4 divisors (see below), whose sum is σ = 123918772. Its totient is φ = 120569472.

The previous prime is 122244097. The next prime is 122244137. The reversal of 122244121 is 121442221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121442221 = 31 ⋅3917491.

It can be written as a sum of positive squares in 2 ways, for example, as 95824521 + 26419600 = 9789^2 + 5140^2 .

It is a cyclic number.

It is not a de Polignac number, because 122244121 - 2⁷ = 122243993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122244151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837216 + ... + 837361.

It is an arithmetic number, because the mean of its divisors is an integer number (30979693).

Almost surely, 2^122244121 is an apocalyptic number.

It is an amenable number.

122244121 is a deficient number, since it is larger than the sum of its proper divisors (1674651).

122244121 is an equidigital number, since it uses as much as digits as its factorization.

122244121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674650.

The product of its digits is 256, while the sum is 19.

The square root of 122244121 is about 11056.4063329818. The cubic root of 122244121 is about 496.2981549922.

Adding to 122244121 its reverse (121442221), we get a palindrome (243686342).

The spelling of 122244121 in words is "one hundred twenty-two million, two hundred forty-four thousand, one hundred twenty-one".